Online Java Compiler By
JavaTpoint.com
import java.util.Iterator; import java.util.PriorityQueue; class Attendance implements Comparable { private int rollNo; private String name; public Attendance( int rollNo,String name) { this.rollNo= rollNo; this.name = name; } public String toString(){ return this.rollNo+" "+this.name; } @Override public int compareTo(Object o) { return 0; } } public class JavaPriorityQueueIteratorExample3 { public static void main(String[] args) { Attendance a1 = new Attendance(1, "Amit"); Attendance a2 = new Attendance(2, "Simran"); Attendance a3 = new Attendance(3, "Raj"); Attendance a4 = new Attendance(4, "Barun"); PriorityQueue
Pqueue = new PriorityQueue
(); Pqueue.add(a1); Pqueue.add(a2); Pqueue.add(a3); Pqueue.add(a4); Iterator
iterator = Pqueue.iterator(); while(iterator.hasNext()){ System.out.println(iterator.next()); } } }
Output